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Provide full hostname with domainname to underlying container layer

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Addresses #7851

Docker-DCO-1.1-Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com> (github: estesp)
This commit is contained in:
Phil Estes
2014-09-24 11:00:01 -04:00
parent 42ec80bec0
commit 5239ba3d06
2 changed files with 26 additions and 1 deletions
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20
integration-cli/docker_cli_run_test.go
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@@ -821,6 +821,26 @@ func TestRunLoopbackOnlyExistsWhenNetworkingDisabled(t *testing.T) {
logDone("run - test loopback only exists when networking disabled")
}
// #7851 hostname outside container shows FQDN, inside only shortname
// For testing purposes it is not required to set host's hostname directly
// and use "--net=host" (as the original issue submitter did), as the same
// codepath is executed with "docker run -h <hostname>". Both were manually
// tested, but this testcase takes the simpler path of using "run -h .."
func TestRunFullHostnameSet(t *testing.T) {
cmd := exec.Command(dockerBinary, "run", "-h", "foo.bar.baz", "busybox", "hostname")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual != "foo.bar.baz" {
t.Fatalf("expected hostname 'foo.bar.baz', received %s", actual)
}
deleteAllContainers()
logDone("run - test fully qualified hostname set with -h")
}
func TestRunPrivilegedCanMknod(t *testing.T) {
cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
out, _, err := runCommandWithOutput(cmd)